drupal 7nphp fatal error: allowed memory size of bytes exhausted (tried to allocate bytes) in ap/www/includes/database code example

Example 1: Fatal error: Allowed memory size of 1610612736 bytes exhausted

Fatal error: Allowed memory size of 1610612736 bytes exhausted

export COMPOSER_MEMORY_LIMIT=-1
and restart composer update

Example 2: PHP Fatal error: Allowed memory size of 134217728 bytes exhausted

memory_limit = 64M;